* {
  padding: 0;
  margin: 0;
}
* div {
  width: 600px;
  height: 300px;
  border: 1px solid #000;
  background: pink;
}
* div:hover {
  background: pink;
}
*::after {
  content: "";
  width: 50px;
  height: 50px;
}
